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JP6827569B2 |
A system (800) for determining frequency spacings to prevent intermodulation distortion signal interference is provided. The system (800) includes a sensor assembly (810) and a meter verification module (820) communicatively coupled to t...
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JP6829424B2 |
To safely and efficiently perform measurement verification of a fueling device.A measurement verification system 1 for verifying an instrumental error between a control device for calculating a fueling amount by interposing a flow meter ...
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JP6821027B2 |
A mass flow verifier (MFV) that is space-efficient and can verify flow rates for unknown fluids over a wide range of flow rates includes a chamber configured to receive a fluid, a critical flow nozzle connected to the chamber, and first ...
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JP6795832B2 |
In a method of calibrating a flow rate control device in which a flow rate is calibrated based on comparison with a flow rate measured by a flow rate reference gauge, a predetermined permissible error range is set for a plurality of flow...
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JP6778799B1 |
To provide a simulator for a Coriolis flow meter which generates a simulated phase signal with high reproducibility, outputs it to a conversion unit, and performs calibration processing without actually flowing a fluid through the detect...
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JP6762218B2 |
To accurately calibrate fluid control equipment. A flow rate calculation system includes: a container in which gas is enclosed; a weight measurement part on which the container is disposed; a gas line which connects the container and flu...
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JP2020148657A |
To provide a test device and a test method, which allow for checking the state of an ultrasonic level meter through a simple procedure.A test device 20 for checking the state of an ultrasonic level meter 10 is provided, comprising mounti...
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JP2020148581A |
To provide a mass flow controller with which it is possible to easily verify soundness at low cost.The mass flow controller comprises: a valve 20 disposed in a piping 1; a flow rate measurement unit 21 for measuring the flow rate of a fl...
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JP6754648B2 |
A method according to an aspect includes a first step of connecting a reference device to the other end of a connecting pipe, a second step of supplying a gas from one flow controller into piping, a third step of acquiring measured value...
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JP2020144151A |
To provide a method of determining a corrected measured flow rate.A method provided herein comprises steps of: measuring a flow rate with a first flow meter 5a and measuring a flow rate with a second flow meter 5b, where the first flow m...
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JP6754013B2 |
The purpose of the present invention is to provide a flow rate generation device with which it is possible to suppress noise emitted at low flow rates without increasing the device size. This flow rate generation device includes: a cylin...
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JP2020139864A |
To accurately detect an estimated flow rate by a dynamic fixed volume method.A flow rate calculation system comprising a container in which a fluid is caused to flow, an inflow line in which a fluid is caused to flow into the container, ...
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JP2020134160A |
To provide a flow meter inspection device and inspection method that are hard to be affected by temperature change of gas.A flow meter inspection device 10 of the present disclosure takes, as inspection gas, the atmosphere in an inspecti...
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JP6738560B2 |
To provide a method of checking and calibrating a level meter without opening a closed reaction tank to improve reliability of the microwave-type level meter in the reaction tank and of monitoring the liquid level instead in a case of a ...
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JP6732119B2 |
A method of automatically verifying accurate operation of a flowmeter during field operation is provided that comprises providing a flowmeter having meter electronics with a storage system, and flowing a non-calibration process fluid thr...
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JP6709846B2 |
A method, system and apparatus is disclosed for auto-tuning a circuit associated with an upstream transducer (UPT) and a circuit associated with a downstream transducer (DNT) for reciprocal operation in an ultrasonic flowmeter. The metho...
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JP2020516869A |
A filling line (4) containing an upstream end (3) connected to at least one source of pressurized gas (5) and a downstream end (8) connected to a reservoir (2) to be filled. It is a method for measuring the amount of gas introduced into ...
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JP6706748B2 |
To provide a gas flowmeter which can correct and price the measured value of a gas flow rate obtained by a gas flowmeter over a wide pressure range or a wide flow rate range.A critical flow nozzle type gas flowmeter 1 according to the pr...
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JP6701330B2 |
A method for calibrating a flowmeter (5) transducer is provided comprising the steps of exciting a vibration mode of a flowmeter (5) flow tube (130, 130′) and ceasing to excite the vibration mode, wherein a free decay response of the f...
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JP6694648B2 |
To provide a flow meter calibration device for liquid that enables high-precision calibration in a small flow rate range.A flow rate changeover mechanism is installed between a nozzle 8 of which a test liquid flows out and a weighing con...
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JP2020042039A |
To provide a method of calibrating a flowmeter transducer.A method of calibrating a flowmeter transducer is provided, comprising: exciting a vibration mode of a flowmeter flow tube 800; ceasing to excite the vibration mode (802); measuri...
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JP6649646B2 |
To provide a liquid flowmeter calibration apparatus which enables high precision calibration in a range of an infinitesimal flow rate.A liquid flowmeter calibration apparatus comprises: a weighing vessel for capturing a test liquid; a we...
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JP6650166B2 |
A gas supply system capable of flow measurement includes a flow controller that controls the flow rate of a flowing gas, a first shutoff valve provided downstream of the flow controller, a second shutoff valve provided in a first flow pa...
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JP6647905B2 |
To provide a plasma processing apparatus capable of uniform processing with high reproducibility.The vacuum processing apparatus includes: a vacuum pump 110 for exhausting a processing chamber; a controller 201 for controlling an introdu...
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JP6642266B2 |
To improve the accuracy of the measurement of a molten steel level.A level measurement system 100 is provided that can measure a level L of molten steel 14 poured into a casting mold 13 and comprises: a vortex flow level gauge 110; a tem...
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JP2019215257A |
To provide a calibration method of a level measuring instrument capable of shortening a periodic maintenance period by shortening a calibration time, and thereby capable of improving the facility operation rate.Among multiple reservoirs ...
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JP6587129B2 |
To provide a flowmeter which is simple and can be miniaturized and measures a flow rate in the pipe line.A flowmeter for measuring a flow rate inside a pipe line includes: a pipe line into which a fluid passes; at least two thin wall par...
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JP6579722B1 |
To provide a liquid level sensor inspection instrument capable of easily inspecting a liquid level sensor by simplifying a structure. A liquid level sensor inspection instrument 1 inspects an on / off operation of an internal switch by r...
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JP6566599B1 |
To continue accurate flow rate measurement even if one of the ultrasonic flowmeters fails by using a preliminary external ultrasonic flowmeter in combination. A first flow meter 1 fixed to a pipe P and a second flow meter 2 detachably at...
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JP6557550B2 |
A testing method for testing a liquid flowmeter, the method including introducing a test liquid and a sealant having a specific gravity smaller than that of the test liquid into a weighing tank until an outlet of a pipe is submerged in t...
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JP2019520576A |
Mass flow verification systems and devices can verify the mass flow of a mass flow controller (MFC) based on the choked flow principle. These systems and devices can include multiple flow limiters of different sizes coupled in parallel. ...
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JP2019109178A |
To provide a fluid discharge device for efficiently discharging fluid remaining in a closed body, and a fluid discharge unit, a flow rate test system, and a fluid discharge method.A fluid discharge device discharges fluid remaining in a ...
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JP2019109177A |
To provide a telescopic tube unit and clamp system for improving the efficiency of setting and replacement of a work-piece.A telescopic tube unit includes: a telescopic tube having an outer tube and an inner tube; a plurality of telescop...
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JP2019090631A |
To provide a load machine capable of performing automatic accuracy maintenance of a weighing device, and also to provide a load machine capable of introducing a weighing type particulate matter flowmeter, an impact type particulate matte...
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JP2019074429A |
To provide an ultrasonic flowmeter, used in a blood purifying device, which continuously measures the flow rate of a liquid over a long time and maintains the accuracy of measurement even when the measuring environment changes.An ultraso...
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JP6484248B2 |
A mass flow controller comprises: a pressure-based flow meter, a thermal-based flow meter, a control valve, and a system controller. The pressure-based flow meter and thermal-based flow meter each measure flow rate of mass through the ma...
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JP6480828B2 |
To surely and easily specify a model of a converter of an electromagnetic flowmeter and a detector thereof, and to acquire a calibration inspection program that matches the model.A calibration inspection system is composed of a calibrato...
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JP2019506617A |
Provided is a method of determining a corrected measurement flow rate. This method is a step of measuring the flow rate with the first flow meter and a step of measuring the flow rate with the second flow meter, and the second flow meter...
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JP6475081B2 |
To provide a thermal type flow meter capable of measuring a correct flow rate even when a plane containing a heat generator and a temperature measurement body is inclined from a level direction.A thermal type flow meter 100 comprises: a ...
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JP6475080B2 |
To provide a thermal type flow meter capable of measuring a correct flow rate even when a plane containing a heat generator and temperature measurement body is inclined from a level direction.A thermal type flow meter 100 is installed on...
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JP6472566B1 |
To provide a composition ratio estimation device for accurately estimating a composition ratio of a stored object in monitoring the liquid level of a tank for storing a liquid or the like. This is a composition ratio estimation device fo...
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JP6471010B2 |
To execute accurate calibration of a flowmeter.A first pipeline 21 enables liquid having a first flow rate to pass therethrough. A second pipeline 22 has an output part 22a disposed in the first pipeline 21, and enables liquid having a s...
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JP6457899B2 |
An input circuit includes a rectifier circuit that rectifies an excitation current obtained from a converter, and a constant voltage circuit that receives output of the rectifier circuit and performs control so that a power supply voltag...
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JP6426371B2 |
To provide an immersion type water level gauge calibration technique capable of acquiring the density of a stored liquid from a distance and calibrating the indicated value of water level in accordance with this density.A calibration sys...
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JP6416387B2 |
A method for determining system accuracy is provided. The method includes the steps of inputting hardware specifications related to a supply flowmeter into a computing device and inputting hardware specifications related to a return flow...
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JP6407426B2 |
A method for operating a flowmeter is provided. The method includes the steps of measuring a fluid flow in the flowmeter, determining at least one fluid characteristic, determining a preferred algorithm of a plurality of algorithms based...
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JP6404210B2 |
Systems and methods to initiate a verification test within a flow meter via a flow computer are disclosed. An example method includes communicating, via a flow computer, a request to a flow meter to initiate a verification test of the fl...
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JP6352285B2 |
A system and method for validating the availability and operability of a field device in a process plant is provided. A diagnostic apparatus includes a processor coupled to the field device wherein a diagnostic check is executed to remot...
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JP6351839B2 |
A flow measurement probe includes an elongate probe having an averaging pitot tube with a plurality of upstream and downstream openings arranged along a length of the elongate probe, and a thermal flow measurement sensor coupled to the e...
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JP2018096846A |
To detect an abnormality in a gas flow rate calculation system 100 using a weight method.The gas flow rate calculation system 100 includes: a container 10 which gas flows in or out; and an electronic scale 20 on which the container 10 is...
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